diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe94679b6..ec5931814 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -39,7 +39,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - 
 - Fix missing prophet in docker images ([#767](https://github.com/tinkoff-ai/etna/pull/767))
 - Add `known_future` parameter to CLI ([#758](https://github.com/tinkoff-ai/etna/pull/758))
-- 
+- FutureWarning: The frame.append method is deprecated. Use pandas.concat instead ([#764](https://github.com/tinkoff-ai/etna/pull/764))
 - 
 - 
 -